Atmospheric turbulence effects on the performance of a free space optical link employing orbital angular momentum multiplexing

被引：253

作者：

Ren, Yongxiong ^{[1
]}

Huang, Hao ^{[1
]}

Xie, Guodong ^{[1
]}

Ahmed, Nisar ^{[1
]}

Yan, Yan ^{[1
]}

Erkmen, Baris I. ^{[2
]}

Chandrasekaran, Nivedita ^{[3
]}

Lavery, Martin P. J. ^{[4
]}

Steinhoff, Nicholas K. ^{[5
]}

Tur, Moshe ^{[6
]}

Dolinar, Samuel ^{[2
]}

Neifeld, Mark ^{[7
]}

Padgett, Miles J. ^{[4
]}

Boyd, Robert W. ^{[8
]}

Shapiro, Jeffrey H. ^{[3
]}

Willner, Alan E. ^{[1
]}

机构：

[1] Univ So Calif, Dept Elect Engn, Los Angeles, CA 90089 USA

[2] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA

[3] MIT, Elect Res Lab, Cambridge, MA 02139 USA

[4] Univ Glasgow, Sch Phys & Astron, Glasgow G12 8QQ, Lanark, Scotland

[5] Opt Sci Co, Anaheim, CA 92825 USA

[6] Tel Aviv Univ, Sch Elect Engn, IL-69978 Tel Aviv, Israel

[7] Univ Arizona, Dept Elect & Comp Engn, Tucson, AZ 85721 USA

[8] Univ Rochester, Inst Opt, Dept Phys & Astron, Rochester, NY 14627 USA

来源：

OPTICS LETTERS | 2013年 / 38卷 / 20期

关键词：

LIGHT; PROPAGATION; CHANNEL; STATES; BEAMS; WAVE;

D O I：

10.1364/OL.38.004062

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We experimentally investigate the performance of an orbital angular momentum (OAM) multiplexed free space optical (FSO) communication link through emulated atmospheric turbulence. The turbulence effects on the crosstalk and system power penalty of the FSO link are characterized. The experimental results show that the power of the transmitted OAM mode will tend to spread uniformly onto the neighboring mode in medium-to-strong turbulence, resulting in severe crosstalk at the receiver. The power penalty is found to exceed 10 dB in a weak-to-medium turbulence condition due to the turbulence-induced crosstalk and power fluctuation of the received signal. (C) 2013 Optical Society of America

引用

页码：4062 / 4065

页数：4

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